The anatomy research thoracodorsal vascular pedicle with 54 flaps. Results show that 1 thoracodorsal artery, 1 thoracodoral vein, 1 thoracodorsal nerve, constant (190 percent). The leng of thoracodorsal artery average 7.94 + or - 1.03 cm, diameter average 2.5 + or - 0.28 mm. The leng of thoracodorsal vein average 8.11 + or - 1.02 cm, diameter average 2.30 + or - 0.24 mm. The leng of thoracodorsal nerve average 8.92 + or - 0.99 cm. Plastic surgery of chest wall defect with good results 93.75 percent, flap was completely 95.65 percent, flap necrosis complications 4.35 percent, good scars 95.65 percent.